Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933454AbaFQPaU (ORCPT ); Tue, 17 Jun 2014 11:30:20 -0400 Received: from smtp.opengridcomputing.com ([72.48.136.20]:53347 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932869AbaFQPaO (ORCPT ); Tue, 17 Jun 2014 11:30:14 -0400 From: "Steve Wise" To: "'Nicholas Krause'" , Cc: , , , , References: <1403018673-4819-1-git-send-email-xerofoify@gmail.com> In-Reply-To: <1403018673-4819-1-git-send-email-xerofoify@gmail.com> Subject: RE: [PATCH] Checks for Null return of skb_alloc in send_flowc Date: Tue, 17 Jun 2014 10:30:30 -0500 Message-ID: <003201cf8a41$1263a020$372ae060$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQIWNC7l8MmbjtDr5OlaNGEBEo4fP5roGP0A Content-Language: en-us Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Nicholas Krause [mailto:xerofoify@gmail.com] > Sent: Tuesday, June 17, 2014 10:25 AM > To: swise@chelsio.com > Cc: roland@kernel.org; sean.hefty@intel.com; hal.rosenstock@gmail.com; linux- > rdma@vger.kernel.org; linux-kernel@vger.kernel.org > Subject: [PATCH] Checks for Null return of skb_alloc in send_flowc > > Signed-off-by: Nicholas Krause > --- > drivers/infiniband/hw/cxgb4/cm.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c > index 5e153f6..7e3d663 100644 > --- a/drivers/infiniband/hw/cxgb4/cm.c > +++ b/drivers/infiniband/hw/cxgb4/cm.c > @@ -457,6 +457,10 @@ static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb) > int i; > > skb = get_skb(skb, flowclen, GFP_KERNEL); > + if (!skb) { > + kfree_skb(skb); > + pr_warn(MOD "%s failed to allocate skb.\n", __func__); > + } You still don't have this right. :( Like this: diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 5e153f6..3c55e88 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -457,6 +457,8 @@ static void send_flowc(struct c4iw_ep *ep, struct sk_buff *skb) int i; skb = get_skb(skb, flowclen, GFP_KERNEL); + if (!skb) + return; flowc = (struct fw_flowc_wr *)__skb_put(skb, flowclen); flowc->op_to_nparams = cpu_to_be32(FW_WR_OP(FW_FLOWC_WR) | -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/